The use of a ureteral access sheath does not improve stone-free rate after ureteroscopy for upper urinary tract stones. - Université de Rennes Accéder directement au contenu
Article Dans Une Revue World Journal of Urology Année : 2013

The use of a ureteral access sheath does not improve stone-free rate after ureteroscopy for upper urinary tract stones.

Résumé

PURPOSE: To evaluate the impact of a ureteral access sheath (UAS) on stone-free (SF) rate after flexible ureteroscopy for upper urinary tract stones. MATERIALS AND METHODS: We retrospectively reviewed 280 patients who underwent flexible ureteroscopy (URS) for upper urinary tract stone between 2009 and 2012. Patients were divided into two groups based on whether a UAS was used (n = 157) or not (n = 123). SF rate was evaluated at one and three months after surgery by abdominal imaging. Quantitative and qualitative variables were compared with Student's t test and χ2 test, respectively. A logistic regression model was used to determine the predictive factors of SF status. RESULTS: Stone size was similar in both groups (15.1 vs. 13.7 mm, p = 0.21). SF rates at one and 3 months were comparable in UAS and non-UAS groups (76 vs. 78 % and 86 vs. 87 %, p = 0.88 and 0.89, respectively). Complication rates were similar in both groups (12.7 vs. 12.1 %, p = 0.78). In multivariable analysis, stone size was the only predictive factor of SF rate (p = 0.016). CONCLUSION: The routine use of a UAS did not improve SF rate in patients undergoing flexible URS for upper urinary tract calculi.
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Dates et versions

hal-00932522 , version 1 (17-01-2014)

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Gaetan Berquet, Paul Prunel, Grégory Verhoest, Romain Mathieu, Karim Bensalah. The use of a ureteral access sheath does not improve stone-free rate after ureteroscopy for upper urinary tract stones.. World Journal of Urology, 2013, 32, pp.229-232. ⟨10.1007/s00345-013-1181-5⟩. ⟨hal-00932522⟩
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